Singles' savers

"No, or very-low single supplements are available in the Red Sea, the Caribbean, Indonesia, Thailand, South Africa and all liveaboards," says the company.

 Meanwhile, cost-conscious divers looking for a Red Sea winter break can benefit from Regaldive packages to Sharm in January from just £299 per person. Based at the Creative Mexicana Hotel, the trips depart from Gatwick on 10, 17, 24 and 31 January, and include transfers and seven nights' accommodation. Three-day dive pack starts at £89.

*  www.regaldive.co.uk